| FOX 63 Ltd | Other services | 2026 |
| FOX Bikes Limited | Other services | 2022 |
| FOX Homes (Barnsley) Limited | Construction | 1980 |
| FOX Red Labradors UK Ltd | Agriculture & fishing | 2025 |
| Foxhill Digital Ltd | Information & communication | 2022 |
| FPM Engineering Ltd | Manufacturing | 2024 |
| Frame Technology Solutions Ltd | Information & communication | 2026 |
| Frank Bird Limited | Wholesale & retail | 2019 |
| Frank Houlgate at Waterfront Golf Limited | Arts & recreation | 2014 |
| Frank Tucker Holdings Limited | Professional & scientific | 1994 |
| Frank Tucker Limited | Construction | 1935 |
| Frankate Limited | Health & social care | 2014 |
| Frankcreative Limited | Professional & scientific | 2005 |
| Frankies Properties Ltd | Real estate | 2018 |
| Fransson Y Limited | Wholesale & retail | 2024 |
| Frcp Enterprises Ltd | Financial services | 2023 |
| Fredjeb Ltd | Construction | 2025 |
| Freebies Network UK Limited | Information & communication | 2003 |
| Freebird Interiors Ltd | Manufacturing | 2016 |
| Freelance Medical Services Ltd | Health & social care | 2019 |
| Freeman Financial Services Ltd | Financial services | 2009 |
| Freight Digital Limited | Information & communication | 2025 |
| Fresh Deli Food Plus Ltd | Wholesale & retail | 2020 |
| Fresh Marketing Solutions Limited | Professional & scientific | 2007 |
| Fresh Shop Barnsley Ltd | Wholesale & retail | 2020 |
| Fresher Fruit (Wombwell) Ltd | Wholesale & retail | 2025 |
| Friarwood Park (Pontefract) Management Company Limited | Households | 2016 |
| Friendly Properties Investment Ltd | Real estate | 2025 |
| Friendly Real Estate Ltd | Real estate | 2025 |
| Friends Assured Limited | Administrative & support | 2014 |
| Friends of Locke Park | Arts & recreation | 2015 |
| Friends of the Trans Pennine Trail Limited | Other services | 2003 |
| Frixion Limited | Construction | 2016 |
| Front ROW Live Ltd | Professional & scientific | 2020 |
| Frost Plant Services Limited | Manufacturing | 2026 |
| Frosty Healthcare Ltd | Extraterritorial | 2021 |
| FRS Property Maintenance Limited | Households | 2022 |
| Frudd Commercial Properties Ltd | Real estate | 2018 |
| Frudd Properties Ltd | Real estate | 2016 |
| Fruit Hair Design Limited | Other services | 2003 |
| Fruition Developments Ltd | Information & communication | 2003 |
| Frunzetetrans Ltd | Transport & logistics | 2018 |
| FS Prodex Limited | Construction | 2022 |
| FS Properties (Yorkshire) Limited | Real estate | 2023 |
| FTQ Systems Limited | Information & communication | 2026 |
| Fuente Estates Ltd | Real estate | 2025 |
| Fulfill Limited | Wholesale & retail | 2018 |
| Full Circle Property Limited | Professional & scientific | 2017 |
| Fullcrete Limited | Construction | 2024 |
| Fund My Club Ltd | Arts & recreation | 2019 |
| Funky Print Ltd | Manufacturing | 2024 |
| Funny Gals Barnsley Ltd | Hospitality | 2022 |
| Furnace Yard Management Co. Limited | Households | 1995 |
| Furness-Lyman Limited | Real estate | 2007 |
| Fursome Retreat Limited | Other services | 2024 |
| Fuseup Limited | Information & communication | 2025 |
| Fusion Design Bathrooms Limited | Construction | 2023 |
| Fusion Printing Ltd | Manufacturing | 2026 |
| Fusiontravel LLP | | 2003 |
| Future GAS Solutions Ltd | Construction | 2022 |
| Future Steps CIC | Education | 2023 |
| Futures Assured Properties Limited | Real estate | 2014 |
| Fwww Payroll Ltd | Administrative & support | 2023 |
| FYI Growth GP Limited | Financial services | 2021 |
| FYI Growth L.P. | | 2021 |
| FYI Loan L.P. | | 2021 |
| FYI Microloan L.P. | | 2021 |
| FYI Seedcorn GP Limited | Financial services | 2021 |
| G & a Tree Services Limited | Agriculture & fishing | 2006 |
| G & F Roberts Limited | Real estate | 2020 |
| G & G Engineering Mechanical Services Limited | Manufacturing | 2001 |
| G & W Flooring Ltd | Construction | 2021 |
| G Bland & Sons Limited | Wholesale & retail | 2023 |
| G Brearley & Daughters Ltd | Construction | 2017 |
| G Cubed Consulting Limited | Professional & scientific | 2026 |
| G Group Trade & Maintenance Limited | Households | 2024 |
| G H Crapper & SON Limited | Agriculture & fishing | 2006 |
| G Haslehurst & SON Ltd | Extraterritorial | 2013 |
| G J H Incorporated Limited | Real estate | 2016 |
| G Jones Driving Services Ltd | Transport & logistics | 2024 |
| G Mcgrath Buildings Limited | Construction | 2003 |
| G Motorbody Limited | Other services | 2015 |
| G N Coatings Limited | Construction | 2012 |
| G Owen Construction Commercial Services Limited | Construction | 2025 |
| G Point 7 Ltd | Wholesale & retail | 2011 |
| G Smith Kitchens & Bedrooms Limited | Construction | 2012 |
| G T Datacom Limited | Information & communication | 2016 |
| G W Assist Limited | Wholesale & retail | 2013 |
| G Webster Decorators Limited | Construction | 2012 |
| G&G Kennels Limited | Wholesale & retail | 2020 |
| G&J Property Ltd | Real estate | 2016 |
| G&N Land and Property Limited | Real estate | 2024 |
| G&N Passive Fire Protection Ltd | Construction | 2020 |
| G&P Property Holdings Ltd | Real estate | 2026 |
| G-Force Motors Limited | Wholesale & retail | 2015 |
| G-Touch Detailing Ltd | Administrative & support | 2025 |
| G. Senior Installations Ltd | Other services | 2016 |
| G.A.G.S Financial Limited | Professional & scientific | 2015 |
| G.A.K. Properties Limited | Real estate | 2001 |
| G.A.Kelly(Fruit Sales)Limited | Wholesale & retail | 1971 |